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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
//! \addtogroup spop_symmat
//! @{
template<typename T1>
inline
void
spop_symmat::apply(SpMat<typename T1::elem_type>& out, const SpOp<T1,spop_symmat>& in)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const unwrap_spmat<T1> U(in.m);
const SpMat<eT>& X = U.M;
arma_debug_check( (X.n_rows != X.n_cols), "symmatu()/symmatl(): given matrix must be square sized" );
if(X.n_nonzero == uword(0)) { out.zeros(X.n_rows, X.n_cols); return; }
const bool upper = (in.aux_uword_a == 0);
const SpMat<eT> A = (upper) ? trimatu(X) : trimatl(X); // in this case trimatu() and trimatl() return the same type
const SpMat<eT> B = A.st();
spglue_merge::symmat_merge(out, A, B);
}
template<typename T1>
inline
void
spop_symmat_cx::apply(SpMat<typename T1::elem_type>& out, const SpOp<T1,spop_symmat_cx>& in)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const unwrap_spmat<T1> U(in.m);
const SpMat<eT>& X = U.M;
arma_debug_check( (X.n_rows != X.n_cols), "symmatu()/symmatl(): given matrix must be square sized" );
if(X.n_nonzero == uword(0)) { out.zeros(X.n_rows, X.n_cols); return; }
const bool upper = (in.aux_uword_a == 0);
const bool do_conj = (in.aux_uword_b == 1);
const SpMat<eT> A = (upper) ? trimatu(X) : trimatl(X); // in this case trimatu() and trimatl() return the same type
if(do_conj)
{
const SpMat<eT> B = A.t();
spglue_merge::symmat_merge(out, A, B);
}
else
{
const SpMat<eT> B = A.st();
spglue_merge::symmat_merge(out, A, B);
}
}
//! @}
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